#!/bin/bash

# SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
#
# SPDX-License-Identifier: GPL-3.0-or-later

# 检测是否为特殊选项（需要转发给 file-manager.sh）
is_special_option() {
    local arg="$1"
    case "$arg" in
        "-h"|"--help"|"--help-all"|"-v"|"--version")
            return 0 ;;
        *)
            return 1 ;;
    esac
}

# 检测参数是否需要 Base64 编码
needs_base64_encoding() {
    local arg="$1"
    # 检测问题字符：逗号、百分号、双引号、美元符号、&、#、?、!、{}、[]、()、空格、单引号
    if [[ "$arg" == *","* ]] || [[ "$arg" == *"%"* ]] || \
       [[ "$arg" == *"\""* ]] || [[ "$arg" == *"$"* ]] || \
       [[ "$arg" == *"&"* ]] || [[ "$arg" == *"#"* ]] || \
       [[ "$arg" == *"?"* ]] || [[ "$arg" == *"!"* ]] || \
       [[ "$arg" == *"{"* ]] || [[ "$arg" == *"}"* ]] || \
       [[ "$arg" == *"["* ]] || [[ "$arg" == *"]"* ]] || \
       [[ "$arg" == *"("* ]] || [[ "$arg" == *")"* ]] || \
       [[ "$arg" == *" "* ]] || [[ "$arg" == *"'"* ]]; then
        return 0
    fi
    return 1
}

# 将路径转换为规范路径
get_canonical_path() {
    local path="$1"
    local current_path=$(pwd)
    
    # 处理 ~ 扩展
    if [[ "$path" =~ ^~/ ]] || [[ "$path" == "~" ]]; then
        path="${path/#\~/$HOME}"
    fi
    
    # 处理相对路径 . .. ./ ../
    if [[ "$path" == "." ]] || [[ "$path" == ".." ]] || \
       [[ "$path" == *"/." ]] || [[ "$path" == *"/.." ]] || \
       [[ "$path" =~ "./" ]] || [[ "$path" =~ "../" ]]; then
        
        local dir_part=""
        local file_part=""
        
        if [[ "$path" == "." ]] || [[ "$path" == ".." ]]; then
            dir_part="$path"
        else
            dir_part=$(dirname "$path")
            file_part=$(basename "$path")
        fi
        
        # 尝试 cd 到目录获取绝对路径
        if cd "$dir_part" 2>/dev/null; then
            local abs_dir=$(pwd)
            cd "$current_path"
            if [[ -n "$file_part" ]] && [[ "$file_part" != "." ]]; then
                path="$abs_dir/$file_part"
            else
                path="$abs_dir"
            fi
        fi
    elif [[ ! "$path" =~ ^/ ]]; then
        # 其他相对路径转为绝对路径
        path="$current_path/$path"
    fi
    
    echo "$path"
}

# 检测是否为URL（包含协议前缀）
is_url() {
    local arg="$1"
    # 检测常见的URL协议前缀
    if [[ "$arg" == *"://"* ]]; then
        return 0  # 是URL
    fi
    return 1  # 不是URL
}

# 修正后的构建函数
build_dbus_args() {
    local args_array=()
    
    for arg in "$@"; do
        local processed_arg="$arg"
        
        # 如果不是选项，且不是URL，且看起来像本地路径，则规范化
        # 排除JSON格式的字符串（以{开头或[开头的结构化数据）
        if [[ ! "$arg" =~ ^- ]] && [[ -n "$arg" ]] && ! is_url "$arg" && \
           [[ ! "$arg" =~ ^\{.*\}$ ]] && [[ ! "$arg" =~ ^\[.*\]$ ]]; then
            processed_arg=$(get_canonical_path "$arg")
        fi
        
        if needs_base64_encoding "$processed_arg"; then
            local encoded=$(echo -n "$processed_arg" | base64 -w 0)
            args_array+=("B64:$encoded")
        else
            args_array+=("$processed_arg")
        fi
    done
    
    # 直接返回数组元素，不添加引号
    printf '%s\n' "${args_array[@]}"
}

# 主逻辑
main() {
    # 检查是否包含特殊选项
    local has_special_option=false
    for arg in "$@"; do
        if is_special_option "$arg"; then
            has_special_option=true
            break
        fi
    done
    
    # 路由处理
    if [[ "$has_special_option" == "true" ]]; then
        # 转发给 file-manager.sh
        exec file-manager.sh "$@"
    else
        # 通过 DBus 调用
        local dbus_args_array=()
        readarray -t dbus_args_array < <(build_dbus_args "$@")
        local dbus_args_str=""
        for ((i=0; i<${#dbus_args_array[@]}; i++)); do
            if [[ $i -eq 0 ]]; then
                dbus_args_str="${dbus_args_array[i]}"
            else
                dbus_args_str="$dbus_args_str,${dbus_args_array[i]}"
            fi
        done
        
        # 执行 DBus 调用
        dbus-send --print-reply --dest=org.freedesktop.FileManager1 \
            /org/freedesktop/FileManager1 \
            org.freedesktop.FileManager1.Open \
            array:string:"$dbus_args_str"
        
        # 失败回退
        if [[ $? -ne 0 ]]; then
            echo "DBus call failed, falling back to file-manager.sh" >&2
            exec file-manager.sh "$@"
        fi
    fi
}

# 执行主逻辑
main "$@"
